More from Helen Knight
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Environment
Green machine: Squeezing solar juice from jellyfish
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Earth
Green machine: Perfecting the plant way to power
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Earth
Green machine: Fighting the efficiency fallacies
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Earth
The next best thing to oil
News
Earth
Antibacterial socks may boost greenhouse emissions
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Earth
Green machine: Don’t burn plant waste, bury it
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Environment
Green machine: Plug-free electric cars’ hidden cost
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Earth
E. coli engineered to make convenient ‘drop-in’ biofuel
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Health
Locked-in people could control wheelchairs by sniffing
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Earth
Green machine: Aircon that doesn’t warm the planet
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Earth
Biodiesel from algae may not be as green as it seems
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Earth
Green machine: A salty solution for power generation
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